US20150305556A1 - Two sided grill with release sheet covering - Google Patents
Two sided grill with release sheet covering Download PDFInfo
- Publication number
- US20150305556A1 US20150305556A1 US14/695,123 US201514695123A US2015305556A1 US 20150305556 A1 US20150305556 A1 US 20150305556A1 US 201514695123 A US201514695123 A US 201514695123A US 2015305556 A1 US2015305556 A1 US 2015305556A1
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- US
- United States
- Prior art keywords
- grill
- platen assembly
- release sheet
- upper platen
- grill plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0611—Roasters; Grills; Sandwich grills the food being cooked between two heating plates, e.g. waffle-irons
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0611—Roasters; Grills; Sandwich grills the food being cooked between two heating plates, e.g. waffle-irons
- A47J2037/0617—Roasters; Grills; Sandwich grills the food being cooked between two heating plates, e.g. waffle-irons with means to adjust the distance between heating plates
Definitions
- the present invention relates generally to a grill, and more particularly to a release sheet for a two-sided grill.
- Grills or griddles are used to cook various foods, such as hamburgers for example.
- the sides of the food are grilled sequentially.
- the food is placed on a grilling surface, thus grilling the side of the food that contacts the grilling surface. After that side of the food is cooked, the food is manually flipped to cook the opposite side. After both sides of the food are cooked, the food is manually removed from the grill for serving.
- clamshell grills are capable of simultaneously cooking two sides of various food items, such as hamburger patties, sausage patties, chicken, or other foods.
- clamshell grills are often used in commercial establishments, such as fast-food restaurants for example, because they reduce overall cooking time and the amount of operator attention required for cooking.
- a conventional clamshell grill generally includes an upper platen assembly movably connected to a lower platen assembly.
- the upper platen assembly may be pivotally coupled to the lower platen assembly for movement between a lower cooking position overlying the lower platen assembly and a raised position inclined upwardly from the lower platen assembly.
- a gap is created between the upper and lower platen assemblies.
- This gap is generally adjustable according to the thickness of the food being cooked. For example, hamburger patties are pre-formed in several different sizes (i.e. a quarter pound patty has a greater thickness than a regular patty).
- an operator selects the gap size and a cooking time via an operator interface for the food item being cooked.
- a grill including a grill is provided including a base structure.
- An upper platen assembly is connected to the base structure and includes an upper grilling surface having a first cooking surface.
- a lower platen assembly is connected to the base structure and includes a lower grilling surface having a second cooking surface.
- a release sheet is removably mounted to the grill. The release sheet has a central portion configured to cover at least the first cooking surface and a joint between the upper platen assembly and the lower platen assembly.
- FIG. 1 schematically illustrates a perspective view of a grill in a lowered position according to an embodiment of the invention
- FIG. 2 schematically illustrates a perspective view of a grill in a raised position according to an embodiment of the invention
- FIG. 3 schematically illustrates a cross-sectional view of a grill according to an embodiment of the invention
- FIG. 4 schematically illustrates a front view of the grill in a raised position according to an embodiment of the invention
- FIG. 5 schematically illustrates a front view of the grill in a lowered position according to an embodiment of the invention.
- FIG. 6 schematically illustrates a side view of the grill in a raised position according to an embodiment of the invention.
- a grill 20 having a rigid base structure 22 supporting a lower platen assembly 24 and an upper platen assembly 26 .
- the upper platen assembly 26 may be fixed relative to the base structure 22 or alternatively, may be movably attached to the base structure 22 with a mounting structure 28 such that the upper platen assembly 26 is configured to move between a lowered, cooking position ( FIG. 1 ) and an upper raised position ( FIG. 2 ) relative to the lower platen assembly 24 .
- the mounting structure 28 is a hinge such that the upper platen assembly 26 is configured to pivot relative to the lower platen assembly 24 ; however, in other embodiments, the upper platen assembly 26 may be vertically lowered and raised in a generally linear motion.
- the upper platen assembly 26 may be moved between the raised and lowered positions either automatically or manually.
- the upper platen assembly 26 may include a handle 30 that can be grabbed by an operator to move the upper platen assembly 26 between the raised and lowered positions.
- the grilling surface 33 the lower platen assembly 24 is exposed.
- the lower platen assembly 24 includes a lower grill plate 32 and the upper platen assembly 26 includes an upper grill plate 34 .
- Food items are placed on an exposed grilling surface 33 of the lower grill plate 32 by the operator for cooking.
- the operator moves the upper platen assembly 26 , such as via handle 30 for example, to the lowered position such that the one or more food items to be cooked are positioned within a gap 36 formed between the upper and lower grill plates 32 , 34 .
- the lower grill plate 32 is configured to provide heat to the lower side of one or more food items placed thereon and the upper grill plate 34 is configured to provide heat to an upper side of the food items located on the lower grill plate 32 .
- the upper and lower grill plates 32 , 34 are heated by a heater (not shown) to cook the food items.
- the lower and upper grill plates 32 , 34 may be formed of a heat-conducting material, such as cast aluminum, abrasion-resistant steel, cast iron, stainless steel, mild steel, a ceramic material, or other suitable heat conducting materials used in grills.
- the lower and upper grill plates 32 , 34 are shown as having a rectangular shape, one or both of the grill plates 32 , 34 may also be formed into other shapes, such as circular or oval shapes for example.
- the lower platen assembly 24 of the grill 20 includes a plurality of leveling mechanisms 50 configured to control the tilt, angle, and/or attitude of the lower grill plate 32 .
- the grill 20 may be a conventional grill where the upper platen assembly 26 includes a plurality of leveling mechanisms such that the upper grill plate 34 is configured to move relative to the lower grill plate 32 .
- a control 52 is configured to independently operate each of the plurality of leveling mechanisms 50 .
- One or more sensors are configured to monitor each of the plurality of leveling mechanisms 50 and detect when the lower grill plate 32 and the upper grill plate 34 are in contact.
- the position of one of the lower and upper grill plates 32 , 34 and/or the initial gap 36 between the lower and upper grill plates 32 , 34 , respectively, may be adjusted to accommodate the variation of thickness of the food items to be cooked on the grill 20 .
- the grill 20 may be automatically calibrated to ensure that the gap 36 between the lower grill plate 32 and the upper grill plate 34 is maintained at a desired size.
- B calibrated it is meant that the upper grill plate 34 and the lower grill plate 32 are level to one another to ensure proper cooking of food items.
- the grill 20 is calibrated daily to correct any unleveling of the lower grill plate 32 that may have occurred during the previous day.
- the grill 20 additionally includes a release sheet 60 positioned over the cooking surface 35 of the upper grill plate 34 and removably mounted to the upper platen assembly 26 .
- Release sheet 60 generally covers the entire cooking surface 35 of the upper grill plate 34 to provide a non-stick surface such that food product will not stick to the upper grill plate 34 when the upper grill plate 34 is lifted off the food product.
- a body 62 of the release sheet 60 extends from adjacent a first end 70 of the upper grill plate 34 towards a second, opposite end 72 of the upper grill plate 34 located near the joint 58 such that the body 62 covers substantially all of the cooking surface 35 of the upper grill plate 34 . In one embodiment, illustrated in FIG.
- the body 62 additionally overlaps or covers the joint 58 formed between the upper platen assembly 26 and the lower platen assembly 24 .
- the free end 64 of the release sheet 60 may be configured to hang freely within the joint 58 or to mount to an adjacent component, such as a back end 74 of the lower grill plate 32 or to a portion of a backsplash 80 arranged within the joint 58 . As such, grease that collects on release sheet 60 will travel to the end 64 of release sheet 60 to the lower grill plate 32 , but not into the joint 58 .
- the body 62 can be configured to cover both the cooking surface 35 of the upper grill plate 34 and the cooking surface 33 of the lower grill plate 32 , along with the joint 58 between the two cooking surfaces 33 , 35 .
- release sheet 60 can be a continuous sheet of material extending from a first end of the upper grill plate 34 , over the joint 58 , and to a distal end of the lower cooking plate 32 .
- the free end 64 of the body 62 may be configured to attach to an exterior surface 66 of the lower platen assembly 24 , such as near the distal end 76 thereof for example.
- the release sheet 60 is generally formed from a heat-resistant, non-stick material; however, embodiments where only the surface of the release sheet 60 configured to contact food has a non-stick coating is within the scope of the invention.
- the release sheet 60 may additionally include at least one end 78 configured to mount to the upper platen assembly 26 , such as by wrapping around an edge thereof for example.
- the end 74 is arranged generally linearly with the body 62 and is configured to wrap about the first end 70 of the upper grill plate 34 ( FIG. 6 ).
- two ends 78 may extend from the sides of the body 62 of the release sheet 60 in a direction substantially perpendicular to the body 62 . As shown in FIG. 5 , the two ends 78 are configured to wrap about opposing edges of the upper platen assembly 26 .
- Each of the ends 64 , 78 of the release sheet 60 may be removably mounted to a portion of the grill 20 by a retaining feature 82 biased into contact with an adjacent surface of the grill 20 , such as an outer surface of the upper or tower platen assembly 24 , 26 for example, by a biasing mechanism (not shown).
- a biasing mechanism not shown.
- the retaining feature 82 is moved in a direction opposite the biasing force. Once the end 64 , 78 is positioned such that a portion of the end 64 , 78 extends beyond the retaining feature 82 , the retaining feature 82 is released and biased back into contact with the adjacent surface, thus applying a pressure to the end 64 , 78 of the release sheet 60 .
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Baking, Grill, Roasting (AREA)
Abstract
Description
- This application claims the benefit of U.S. provisional patent application Ser. No. 61/983,552 filed Apr. 24, 2014, the entire contents of which are incorporated herein by reference.
- The present invention relates generally to a grill, and more particularly to a release sheet for a two-sided grill.
- Grills or griddles are used to cook various foods, such as hamburgers for example. In some conventional grills, the sides of the food are grilled sequentially. The food is placed on a grilling surface, thus grilling the side of the food that contacts the grilling surface. After that side of the food is cooked, the food is manually flipped to cook the opposite side. After both sides of the food are cooked, the food is manually removed from the grill for serving.
- Other conventional grills, such as clamshell grills for example, are capable of simultaneously cooking two sides of various food items, such as hamburger patties, sausage patties, chicken, or other foods. In particular, clamshell grills are often used in commercial establishments, such as fast-food restaurants for example, because they reduce overall cooking time and the amount of operator attention required for cooking.
- A conventional clamshell grill generally includes an upper platen assembly movably connected to a lower platen assembly. For example, the upper platen assembly may be pivotally coupled to the lower platen assembly for movement between a lower cooking position overlying the lower platen assembly and a raised position inclined upwardly from the lower platen assembly. When the upper platen assembly is in the lowered cooking position, a gap is created between the upper and lower platen assemblies. This gap is generally adjustable according to the thickness of the food being cooked. For example, hamburger patties are pre-formed in several different sizes (i.e. a quarter pound patty has a greater thickness than a regular patty). To cook the food, an operator selects the gap size and a cooking time via an operator interface for the food item being cooked.
- One problem with conventional clamshell grills is that the compression force applied by the upper platen assembly on the food being cooked is limited to the weight of the platen. In addition, a portion of the grease vapor produced as food is being cooked will collect on the rear of the upper platen assembly. Because this area is difficult to access, the area is grease buildups occur that can cause performance issues and require additional maintenance of the grill.
- According to an embodiment of the invention, a grill is provided including a grill is provided including a base structure. An upper platen assembly is connected to the base structure and includes an upper grilling surface having a first cooking surface. A lower platen assembly is connected to the base structure and includes a lower grilling surface having a second cooking surface. A release sheet is removably mounted to the grill. The release sheet has a central portion configured to cover at least the first cooking surface and a joint between the upper platen assembly and the lower platen assembly.
- These and other advantages and features will become more apparent from the following description taken in conjunction with the drawings.
- The subject matter, which is regarded as the invention, is particularly pointed out and distinctly claimed in the claims at the conclusion of the specification. The foregoing and other features, and advantages of the invention are apparent from the following detailed description taken in conjunction with the accompanying drawings in which:
-
FIG. 1 schematically illustrates a perspective view of a grill in a lowered position according to an embodiment of the invention; -
FIG. 2 schematically illustrates a perspective view of a grill in a raised position according to an embodiment of the invention; -
FIG. 3 schematically illustrates a cross-sectional view of a grill according to an embodiment of the invention; -
FIG. 4 schematically illustrates a front view of the grill in a raised position according to an embodiment of the invention; -
FIG. 5 schematically illustrates a front view of the grill in a lowered position according to an embodiment of the invention; and -
FIG. 6 schematically illustrates a side view of the grill in a raised position according to an embodiment of the invention. - Referring now to the FIGS., a
grill 20 is illustrated having arigid base structure 22 supporting alower platen assembly 24 and anupper platen assembly 26. Theupper platen assembly 26 may be fixed relative to thebase structure 22 or alternatively, may be movably attached to thebase structure 22 with amounting structure 28 such that theupper platen assembly 26 is configured to move between a lowered, cooking position (FIG. 1 ) and an upper raised position (FIG. 2 ) relative to thelower platen assembly 24. In one embodiment, themounting structure 28 is a hinge such that theupper platen assembly 26 is configured to pivot relative to thelower platen assembly 24; however, in other embodiments, theupper platen assembly 26 may be vertically lowered and raised in a generally linear motion. Theupper platen assembly 26 may be moved between the raised and lowered positions either automatically or manually. In embodiments where theupper platen assembly 26 is moved manually, theupper platen assembly 26 may include ahandle 30 that can be grabbed by an operator to move theupper platen assembly 26 between the raised and lowered positions. When theupper platen assembly 26 is lifted by an operator to the raised position, thegrilling surface 33 thelower platen assembly 24 is exposed. - The
lower platen assembly 24 includes alower grill plate 32 and theupper platen assembly 26 includes anupper grill plate 34. Food items are placed on an exposedgrilling surface 33 of thelower grill plate 32 by the operator for cooking. The operator moves theupper platen assembly 26, such as viahandle 30 for example, to the lowered position such that the one or more food items to be cooked are positioned within agap 36 formed between the upper andlower grill plates - The
lower grill plate 32 is configured to provide heat to the lower side of one or more food items placed thereon and theupper grill plate 34 is configured to provide heat to an upper side of the food items located on thelower grill plate 32. The upper andlower grill plates upper grill plates upper grill plates grill plates - In the illustrated non-limiting embodiment of
FIG. 3 , thelower platen assembly 24 of thegrill 20 includes a plurality ofleveling mechanisms 50 configured to control the tilt, angle, and/or attitude of thelower grill plate 32. However, in other embodiments, thegrill 20 may be a conventional grill where theupper platen assembly 26 includes a plurality of leveling mechanisms such that theupper grill plate 34 is configured to move relative to thelower grill plate 32. Acontrol 52 is configured to independently operate each of the plurality ofleveling mechanisms 50. One or more sensors (not shown) are configured to monitor each of the plurality ofleveling mechanisms 50 and detect when thelower grill plate 32 and theupper grill plate 34 are in contact. Through theleveling mechanisms 50, the position of one of the lower andupper grill plates initial gap 36 between the lower andupper grill plates grill 20. - The
grill 20 may be automatically calibrated to ensure that thegap 36 between thelower grill plate 32 and theupper grill plate 34 is maintained at a desired size. B calibrated, it is meant that theupper grill plate 34 and thelower grill plate 32 are level to one another to ensure proper cooking of food items. In one example, thegrill 20 is calibrated daily to correct any unleveling of thelower grill plate 32 that may have occurred during the previous day. - Referring now to
FIGS. 4-6 , thegrill 20 additionally includes arelease sheet 60 positioned over thecooking surface 35 of theupper grill plate 34 and removably mounted to theupper platen assembly 26.Release sheet 60 generally covers theentire cooking surface 35 of theupper grill plate 34 to provide a non-stick surface such that food product will not stick to theupper grill plate 34 when theupper grill plate 34 is lifted off the food product. Abody 62 of therelease sheet 60 extends from adjacent afirst end 70 of theupper grill plate 34 towards a second,opposite end 72 of theupper grill plate 34 located near thejoint 58 such that thebody 62 covers substantially all of thecooking surface 35 of theupper grill plate 34. In one embodiment, illustrated inFIG. 4 , thebody 62 additionally overlaps or covers thejoint 58 formed between theupper platen assembly 26 and thelower platen assembly 24. In this embodiment, thefree end 64 of therelease sheet 60 may be configured to hang freely within thejoint 58 or to mount to an adjacent component, such as aback end 74 of thelower grill plate 32 or to a portion of a backsplash 80 arranged within thejoint 58. As such, grease that collects onrelease sheet 60 will travel to theend 64 ofrelease sheet 60 to thelower grill plate 32, but not into thejoint 58. - In another embodiment, illustrated in
FIG. 6 , thebody 62 can be configured to cover both thecooking surface 35 of theupper grill plate 34 and thecooking surface 33 of thelower grill plate 32, along with the joint 58 between the twocooking surfaces release sheet 60 can be a continuous sheet of material extending from a first end of theupper grill plate 34, over the joint 58, and to a distal end of thelower cooking plate 32. - In embodiments where the
body 62 of therelease sheet 60 extends over theentire cooking surface 33 of thelower grill plate 32, thefree end 64 of thebody 62 may be configured to attach to anexterior surface 66 of thelower platen assembly 24, such as near thedistal end 76 thereof for example. - In either embodiment, the
release sheet 60 is generally formed from a heat-resistant, non-stick material; however, embodiments where only the surface of therelease sheet 60 configured to contact food has a non-stick coating is within the scope of the invention. - The
release sheet 60 may additionally include at least oneend 78 configured to mount to theupper platen assembly 26, such as by wrapping around an edge thereof for example. For example, in embodiments where thebody 62 extends over theentire cooking surface 33 of thetower grill plate 32, theend 74 is arranged generally linearly with thebody 62 and is configured to wrap about thefirst end 70 of the upper grill plate 34 (FIG. 6 ). In embodiments where thebody 62 covers the joint 58, but not thecooking surface 33 of thelower grill plate 32, two ends 78 may extend from the sides of thebody 62 of therelease sheet 60 in a direction substantially perpendicular to thebody 62. As shown inFIG. 5 , the two ends 78 are configured to wrap about opposing edges of theupper platen assembly 26. - Each of the
ends release sheet 60 may be removably mounted to a portion of thegrill 20 by a retainingfeature 82 biased into contact with an adjacent surface of thegrill 20, such as an outer surface of the upper ortower platen assembly end release sheet 60, the retainingfeature 82 is moved in a direction opposite the biasing force. Once theend end feature 82, the retainingfeature 82 is released and biased back into contact with the adjacent surface, thus applying a pressure to theend release sheet 60. - By having the
central portion 62 of therelease sheet 60 covering the joint 58 between the upper andlower platen assemblies upper platen assembly 26 that is difficult to clean. As a result, thegrill 20 will remain cleaner and the overall reliability and performance of thegrill 20 will improve. - While the invention has been described in detail in connection with only a limited number of embodiments, it should be readily understood that the invention is not limited to such disclosed embodiments. Rather, the invention can be modified to incorporate any number of variations, alterations, substitutions or equivalent arrangements not heretofore described, but which are commensurate with the spirit and scope of the invention. Additionally, while various embodiments of the invention have been described, it is to be understood that aspects of the invention may include only some of the described embodiments. Accordingly, the invention is not to be seen as limited by the foregoing description, but is only limited by the scope of the appended claims.
Claims (10)
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US14/695,123 US10159379B2 (en) | 2014-04-24 | 2015-04-24 | Two sided grill with release sheet covering |
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US201461983552P | 2014-04-24 | 2014-04-24 | |
US14/695,123 US10159379B2 (en) | 2014-04-24 | 2015-04-24 | Two sided grill with release sheet covering |
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US10159379B2 US10159379B2 (en) | 2018-12-25 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2017210152A1 (en) * | 2016-05-31 | 2017-12-07 | Carrier Commercial Refrigeration, Inc. | Cooking apparatus with adjustable cooking surface |
US11116357B2 (en) | 2013-03-15 | 2021-09-14 | Taylor Commercial Foodservice, Llc | Cooking gap control of a cooking apparatus |
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CN104665617B (en) | 2013-11-26 | 2019-06-18 | 泰而勒商用食品服务公司 | A method of calibration grill |
US10390655B2 (en) | 2014-04-24 | 2019-08-27 | Taylor Commercial Foodservice Inc. | Two sided grill with movable lower plate |
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CN111050610B (en) | 2017-08-25 | 2023-04-11 | 泰而勒商业食品服务有限公司 | Multi-mechanical-arm cooking system |
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CN115868822A (en) | 2017-10-09 | 2023-03-31 | 泰而勒商业食品服务有限公司 | Latch for a movable grill |
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